Stretching instrument



FIG. 1 is a front, left-side top perspective view of the stretchinginstrument

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right-side elevational view thereof;

FIG. 5 is a left-side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines depict unclaimed parts of the stretching instrument,and thus form no part of the claimed design.

CLAIM The ornamental design for a stretching instrument, as shown anddescribed.